1 /* -*- c-file-style: "linux" -*-
4 Batch utilities for rsync.
11 extern char *batch_prefix;
13 struct file_list *batch_flist;
15 static char rsync_flist_file[] = ".rsync_flist";
16 static char rsync_csums_file[] = ".rsync_csums";
17 static char rsync_delta_file[] = ".rsync_delta";
18 static char rsync_argvs_file[] = ".rsync_argvs";
25 void write_batch_flist_file(char *buff, int bytes_to_write)
27 char filename[MAXPATHLEN];
30 /* Set up file extension */
31 strlcpy(filename, batch_prefix, sizeof(filename));
32 strlcat(filename, rsync_flist_file, sizeof(filename));
35 * Open batch flist file for writing;
36 * create it if it doesn't exist
38 fdb = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
41 rprintf(FERROR, "Batch file %s open error: %s\n",
42 filename, strerror(errno));
49 /* Write buffer to batch flist file */
51 if (write(fdb, buff, bytes_to_write) == -1) {
52 rprintf(FERROR, "Batch file %s write error: %s\n",
53 filename, strerror(errno));
63 void write_batch_flist_info(int flist_count, struct file_struct **fptr)
68 /* Write flist info to batch file */
84 for (i = 0; i < flist_count; i++) {
85 write_batch_flist_file((char *) fptr[i], bytes_to_write);
86 write_char_bufs(fptr[i]->basename);
87 write_char_bufs(fptr[i]->dirname);
88 write_char_bufs(fptr[i]->basedir);
89 write_char_bufs(fptr[i]->link);
90 if (i == flist_count - 1) {
93 write_char_bufs(fptr[i]->sum);
97 void write_char_bufs(char *buf)
99 /* Write the size of the string which will follow */
103 SIVAL(b, 0, buf != NULL ? strlen(buf) : 0);
105 write_batch_flist_file(b, sizeof(int));
107 /* Write the string if there is one */
110 write_batch_flist_file(buf, strlen(buf));
114 void write_batch_argvs_file(int argc, char *argv[])
118 char buff[256]; /* XXX */
119 char buff2[MAXPATHLEN + 6];
120 char filename[MAXPATHLEN];
122 /* Set up file extension */
123 strlcpy(filename, batch_prefix, sizeof(filename));
124 strlcat(filename, rsync_argvs_file, sizeof(filename));
127 * Open batch argvs file for writing;
128 * create it if it doesn't exist
130 fdb = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
131 S_IREAD | S_IWRITE | S_IEXEC);
133 rprintf(FERROR, "Batch file %s open error: %s\n",
134 filename, strerror(errno));
140 /* Write argvs info to batch file */
142 for (i = 0; i < argc; ++i) {
143 if (i == argc - 2) /* Skip source directory on cmdline */
147 * I think directly manipulating argv[] is probably bogus
149 if (!strncmp(argv[i], "--write-batch",
150 strlen("--write-batch"))) {
151 /* Safer to change it here than script */
153 * Change to --read-batch=prefix
154 * to get ready for remote
156 strlcat(buff, "--read-batch=", sizeof(buff));
157 strlcat(buff, batch_prefix, sizeof(buff));
160 snprintf(buff2, sizeof(buff2), "${1:-%s}", argv[i]);
161 strlcat(buff, buff2, sizeof(buff));
164 strlcat(buff, argv[i], sizeof(buff));
167 if (i < (argc - 1)) {
168 strlcat(buff, " ", sizeof(buff));
171 strlcat(buff, "\n", sizeof(buff));
172 if (!write(fdb, buff, strlen(buff))) {
173 rprintf(FERROR, "Batch file %s write error: %s\n",
174 filename, strerror(errno));
181 struct file_list *create_flist_from_batch(void)
188 batch_flist = new(struct file_list);
190 out_of_memory("create_flist_from_batch");
192 batch_flist->count = 0;
193 batch_flist->malloced = 1000;
194 batch_flist->files = new_array(struct file_struct *,
195 batch_flist->malloced);
196 if (!batch_flist->files) {
197 out_of_memory("create_flist_from_batch");
200 for (flags = read_batch_flags(); flags; flags = read_batch_flags()) {
202 int i = batch_flist->count;
204 if (i >= batch_flist->malloced) {
205 if (batch_flist->malloced < 1000)
206 batch_flist->malloced += 1000;
208 batch_flist->malloced *= 2;
210 = realloc_array(batch_flist->files,
211 struct file_struct *,
212 batch_flist->malloced);
213 if (!batch_flist->files)
214 out_of_memory("create_flist_from_batch");
216 read_batch_flist_info(&batch_flist->files[i]);
217 batch_flist->files[i]->flags = flags;
219 batch_flist->count++;
225 int read_batch_flist_file(char *buff, int len)
228 char filename[MAXPATHLEN];
231 /* Set up file extension */
232 strlcpy(filename, batch_prefix, sizeof(filename));
233 strlcat(filename, rsync_flist_file, sizeof(filename));
235 /* Open batch flist file for reading */
236 fdb = do_open(filename, O_RDONLY, 0);
238 rprintf(FERROR, "Batch file %s open error: %s\n",
239 filename, strerror(errno));
246 /* Read flist batch file */
248 switch (bytes_read = read(fdb, buff, len)) {
250 rprintf(FERROR, "Batch file %s read error: %s\n",
251 filename, strerror(errno));
262 unsigned char read_batch_flags(void)
266 if (read_batch_flist_file((char *) &flags, 4)) {
273 void read_batch_flist_info(struct file_struct **fptr)
276 char char_str_len[4];
278 struct file_struct *file;
280 file = new(struct file_struct);
282 out_of_memory("read_batch_flist_info");
283 memset((char *) file, 0, sizeof(*file));
288 * Keep these in sync with bytes_to_write assignment
289 * in write_batch_flist_info()
291 read_batch_flist_file((char *) &file->modtime, sizeof(time_t));
292 read_batch_flist_file((char *) &file->length, sizeof(OFF_T));
293 read_batch_flist_file((char *) &file->mode, sizeof(mode_t));
294 read_batch_flist_file((char *) &file->inode, sizeof(INO64_T));
295 read_batch_flist_file((char *) &file->dev, sizeof(DEV64_T));
296 read_batch_flist_file((char *) &file->rdev, sizeof(DEV64_T));
297 read_batch_flist_file((char *) &file->uid, sizeof(uid_t));
298 read_batch_flist_file((char *) &file->gid, sizeof(gid_t));
299 read_batch_flist_file(char_str_len, sizeof(char_str_len));
300 int_str_len = IVAL(char_str_len, 0);
301 if (int_str_len > 0) {
302 read_batch_flist_file(buff, int_str_len);
303 buff[int_str_len] = '\0';
304 file->basename = strdup(buff);
306 file->basename = NULL;
309 read_batch_flist_file(char_str_len, sizeof(char_str_len));
310 int_str_len = IVAL(char_str_len, 0);
311 if (int_str_len > 0) {
312 read_batch_flist_file(buff, int_str_len);
313 buff[int_str_len] = '\0';
314 file[0].dirname = strdup(buff);
316 file[0].dirname = NULL;
319 read_batch_flist_file(char_str_len, sizeof(char_str_len));
320 int_str_len = IVAL(char_str_len, 0);
321 if (int_str_len > 0) {
322 read_batch_flist_file(buff, int_str_len);
323 buff[int_str_len] = '\0';
324 file[0].basedir = strdup(buff);
326 file[0].basedir = NULL;
329 read_batch_flist_file(char_str_len, sizeof(char_str_len));
330 int_str_len = IVAL(char_str_len, 0);
331 if (int_str_len > 0) {
332 read_batch_flist_file(buff, int_str_len);
333 buff[int_str_len] = '\0';
334 file[0].link = strdup(buff);
339 read_batch_flist_file(char_str_len, sizeof(char_str_len));
340 int_str_len = IVAL(char_str_len, 0);
341 if (int_str_len > 0) {
342 read_batch_flist_file(buff, int_str_len);
343 buff[int_str_len] = '\0';
344 file[0].sum = strdup(buff);
350 void write_batch_csums_file(void *buff, int bytes_to_write)
352 static int fdb_open = 1;
353 char filename[MAXPATHLEN];
356 /* Set up file extension */
357 strlcpy(filename, batch_prefix, sizeof(filename));
358 strlcat(filename, rsync_csums_file, sizeof(filename));
361 * Open batch csums file for writing;
362 * create it if it doesn't exist
364 fdb = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
367 rprintf(FERROR, "Batch file %s open error: %s\n",
368 filename, strerror(errno));
375 /* Write buffer to batch csums file */
377 if (write(fdb, buff, bytes_to_write) == -1) {
378 rprintf(FERROR, "Batch file %s write error: %s\n",
379 filename, strerror(errno));
385 void close_batch_csums_file(void)
392 * Write csum info to batch file
394 * @todo This will break if s->count is ever larger than maxint. The
395 * batch code should probably be changed to consistently use the
396 * variable-length integer routines, which is probably a compatible
399 void write_batch_csum_info(int *flist_entry, int flist_count,
400 struct sum_struct *s)
404 extern int csum_length;
408 write_batch_csums_file(flist_entry, sizeof(int));
409 int_count = s ? (int) s->count : 0;
410 write_batch_csums_file(&int_count, sizeof int_count);
413 for (i = 0; i < s->count; i++) {
414 write_batch_csums_file(&s->sums[i].sum1, sizeof(uint32));
415 if ((*flist_entry == flist_count - 1)
416 && (i == s->count - 1)) {
419 write_batch_csums_file(s->sums[i].sum2, csum_length);
424 int read_batch_csums_file(char *buff, int len)
426 static int fdb_open = 1;
428 char filename[MAXPATHLEN];
431 /* Set up file extension */
432 strlcpy(filename, batch_prefix, sizeof(filename));
433 strlcat(filename, rsync_csums_file, sizeof(filename));
435 /* Open batch flist file for reading */
436 fdb = do_open(filename, O_RDONLY, 0);
438 rprintf(FERROR, "Batch file %s open error: %s\n",
439 filename, strerror(errno));
446 /* Read csums batch file */
448 bytes_read = read(fdb, buff, len);
450 if (bytes_read == -1) {
451 rprintf(FERROR, "Batch file %s read error: %s\n",
452 filename, strerror(errno));
460 void read_batch_csum_info(int flist_entry, struct sum_struct *s,
461 int *checksums_match)
464 int file_flist_entry;
467 char file_sum2[SUM_LENGTH];
468 extern int csum_length;
470 read_batch_csums_file((char *) &file_flist_entry, sizeof(int));
471 if (file_flist_entry != flist_entry) {
472 rprintf(FINFO, "file_flist_entry (%d) != flist_entry (%d)\n",
473 file_flist_entry, flist_entry);
478 read_batch_csums_file((char *) &file_chunk_ct,
480 *checksums_match = 1;
481 for (i = 0; i < file_chunk_ct; i++) {
483 read_batch_csums_file((char *) &file_sum1,
485 read_batch_csums_file(file_sum2, csum_length);
487 if ((s->sums[i].sum1 != file_sum1) ||
488 (memcmp(s->sums[i].sum2, file_sum2, csum_length)
490 *checksums_match = 0;
496 void write_batch_delta_file(char *buff, int bytes_to_write)
498 static int fdb_delta_open = 1;
499 char filename[MAXPATHLEN];
501 if (fdb_delta_open) {
502 /* Set up file extension */
503 strlcpy(filename, batch_prefix, sizeof(filename));
504 strlcat(filename, rsync_delta_file, sizeof(filename));
507 * Open batch delta file for writing;
508 * create it if it doesn't exist
510 fdb_delta = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
512 if (fdb_delta == -1) {
513 rprintf(FERROR, "Batch file %s open error: %s\n",
514 filename, strerror(errno));
521 /* Write buffer to batch delta file */
523 if (write(fdb_delta, buff, bytes_to_write) == -1) {
524 rprintf(FERROR, "Batch file %s write error: %s\n",
525 filename, strerror(errno));
531 void close_batch_delta_file(void)
536 int read_batch_delta_file(char *buff, int len)
538 static int fdb_delta_open = 1;
540 char filename[MAXPATHLEN];
542 if (fdb_delta_open) {
543 /* Set up file extension */
544 strlcpy(filename, batch_prefix, sizeof(filename));
545 strlcat(filename, rsync_delta_file, sizeof(filename));
547 /* Open batch flist file for reading */
548 fdb_delta = do_open(filename, O_RDONLY, 0);
549 if (fdb_delta == -1) {
550 rprintf(FERROR, "Batch file %s open error: %s\n",
551 filename, strerror(errno));
558 /* Read delta batch file */
560 bytes_read = read(fdb_delta, buff, len);
562 if (bytes_read == -1) {
563 rprintf(FERROR, "Batch file %s read error: %s\n",
564 filename, strerror(errno));
572 void show_flist(int index, struct file_struct **fptr)
574 /* for debugging show_flist(flist->count, flist->files * */
577 for (i = 0; i < index; i++) {
578 rprintf(FINFO, "flist->flags=%#x\n", fptr[i]->flags);
579 rprintf(FINFO, "flist->modtime=%#lx\n",
580 (long unsigned) fptr[i]->modtime);
581 rprintf(FINFO, "flist->length=%.0f\n",
582 (double) fptr[i]->length);
583 rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode);
584 rprintf(FINFO, "flist->basename=%s\n", fptr[i]->basename);
585 if (fptr[i]->dirname)
586 rprintf(FINFO, "flist->dirname=%s\n",
588 if (fptr[i]->basedir)
589 rprintf(FINFO, "flist->basedir=%s\n",
594 void show_argvs(int argc, char *argv[])
596 /* for debugging * */
599 rprintf(FINFO, "BATCH.C:show_argvs,argc=%d\n", argc);
600 for (i = 0; i < argc; i++) {
602 rprintf(FINFO, "i=%d,argv[i]=%s\n", i, argv[i]);